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<h1>Hard Disk I/O</h1>
<p>The test creates a buffered file writer and writes a file to the hard disk. The file should be between 256 KB and 2 MB in size. A recommended size would be 768 KB. The test must create the file (overwrite if it exists), write to the file, read from the file, and close the file, multiple times within its test loop for the duration of the test. The result is the total KB written, divided by the actual duration of the test.</p>
<p>After the test has completed you are presented the results.</p>
<p>The hard disk transfer rate is the rate at which data can be read from a hard 
disk or written to the hard disk. This involves using an in-memory buffer.
Hard disk transfer rates are measured in KB per second. A typical transfer rate is between 4,000 KB/s and 40,000 KB/s, depending on the RPM and per-platter data density of the drive.</p>
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